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Henmilite

Year of discovery: 1986 (Japan as the first occurence in the World)

Locality list: A locality of henmilite

• Ca₂CuB₂(OH)₁₂
• [Ca²⁺₂][Cu²⁺][(OH)₄|(H₄BO₄)₂]^6-

• Class: Neso-Borate - Hydroxide

• Color: Bluish purple
• Streak: Pale purple
• Luster: Vitreous
• Diaphaneity: Transparent

• Hardness: 1.5-2
• Density: 2.5

• System: Triclinic
• Group: (-1), P(-1)
• Lattice: a=5.8, b=8.0, c=5.6, α=109.6, β=91.5, γ=83.7